Spatial distinguishability of photons produced by parametric down-conversion with a focused pump

Focusing the pump in type-II SPDC not only increases the efficiency of photon collection with single-mode fibers, but also increases the spatial distinguishability of the photons, in some cases reducing the polarization entanglement.

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Bibliographic Details
Published in:	2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference pp. 1 - 2
Main Authors:	Bennink, R.S., Yun Liu, Earl, D.D., Grice, W.P.
Format:	Conference Proceeding
Language:	English
Published:	IEEE 01-05-2006
Subjects:	(190.4410) Nonlinear optics (270.5290) Photon statistics Apertures Frequency conversion Optical fiber communication Optical fiber polarization Optical fibers parametric processes Photonics Polarization
Online Access:	Get full text
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Description
Summary:	Focusing the pump in type-II SPDC not only increases the efficiency of photon collection with single-mode fibers, but also increases the spatial distinguishability of the photons, in some cases reducing the polarization entanglement.
ISSN:	2160-9004
DOI:	10.1109/CLEO.2006.4629147